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fixed keypoints tool, when layer is smaller than canvas

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viliusle 2023-02-04 23:15:53 +02:00
parent 790c1e100e
commit ee7d8325cd
1 changed files with 8 additions and 5 deletions
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13
src/js/modules/tools/keypoints.js
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@ -28,16 +28,19 @@ class Tools_keypoints_class {
//generate key points for image
keypoints(return_data) {
var W = config.WIDTH;
var H = config.HEIGHT;
if (config.layer.type != 'image') {
alertify.error('This layer must contain an image. Please convert it to raster to apply this tool.');
return;
}
var W = config.layer.width;
var H = config.layer.height;
//get canvas from layer
var clone = this.Base_layers.convert_layer_to_canvas();
var ctx = clone.getContext("2d");
//get source data
this.Base_layers.render_object(ctx, config.layer);
//greyscale
var imageData = ctx.getImageData(0, 0, W, H);
var data = this.convert_to_grayscale(imageData);